So i have some random problems here, when i have my left turn signal on and hit the brakes the light in the back flips to the right side so my right side is blinking in the back and the left side is still blinking on the front. and when i turn my lights on i dont get any tail lights or brake lights but then when i hit my turn signal it lights up but doesnt blink it just looks like i have one tail light on... any ideas?
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Re: 89 Chevrolet K1500 tail light issues
Change the brake light switch ,or rewire the whole lot to europeon standard where its all seperate.Stupid american idea where the brake light is used as the indicator as well.Had a few like this to import and had to rewire the whole rear back lights as their is some fancy brake light switch on these cars with a whole lot of wires .i just cut the whole bunch and rewired the lot as our regulations do not permit this type of concoction.best of british with it though as although its not difficult to do its amazing how many so called mechanics run when they more than two wires
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The turn signals and brake lights use the same circuit and filament in the bulbs. The tail lights are on the other circuit which comes from the headlight switch. Do you have power on the tail light fuse ?
If the brake and turn signal are on the same bulb than you can Orin straight wiring. If the brake and turn signal are on different bulbs than you'll need a wiring harness with a converter box.
I'm pretty sure the wrangler has the brake and turn signal on the Same bulb so let's start with basic trailer wiring.
The green wire on the trailer harness is for the right side turn and brake for the trailer. This wire should be attached to the wire on the vehicle that supplies power to the right turn signal/ brake light.
The yellow wire is the left turn signal, brake light on the trailer and should be attached to the wire on the vehicle that supplies power to the left turn signal /brake light.
The brown wire is the tail lights on the trailer and should be attached to either the left or right side wire on the vehicle that supplies power to the tail lights.
The white wire is grounD and it is vitally important that this wire be attached to the vehicle in a manor that supplies a good ground. Failure to suppy a good ground will result in all kinds of funky problems with the trailerer lighting such as all the lights linking when the tail lights and turn signals are on at the same time.
If you have any specific questions I will be more than happy to try and help.
Did the new lens come with new sockets? If not damage may have occured there that you cant see. only other possibilty is wiring damage in the rear that may be hard to see. The condition you describe is simple "backfeeding" if you look hard enough youll either find bad sockets or damaged wires close to the lens that took the hit. Hope this helped. Thanks
If your bulbs are good,check the ground wire in the tail light assybly.If good ground you may need to replace the pigtail that the bulbs go in.I had the same problem on my chey van.Put a new pigtail and now works.